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Channel Roughness and Resistance to Flow
The Sediment Load
Stable Channel Design
5 other sections not shown
approximately assumed Bagnold beach bed features bed forms bed load bed material boundary layer breaker line calculated clay cohesive component concentration constant cross-section curve density depend deposition depth of flow diameter diffusion dimensionless drag coefficient dunes eddies effect Einstein energy Engelund equation equilibrium erodibility erosion experimental data fall velocity fluid form drag formula friction factor Froude number function given grains head loss increases kaolinite laminar Laursen logarithmic longshore maximum mean velocity measured montmorillonites motion Niobrara River observed parameters particle pier plot problem Proc ratio regime relationship resistance Reynolds number ripples river roughness saltation sand waves scour depth sediment discharge sediment load sediment transport shear strength shear stress shown on Fig silt slope soil solids stream surface suspended load suspended sediment threshold transport rate turbulent flow U.S. Geological Survey values Vanoni velocity distribution versus viscosity weight width wind Yalin yields